Home / 56,207.28-83,684.46-55,422.30

Finding the Fourth Proportional to 56,207.28, 83,684.46 and 55,422.30

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Solution

The fourth proportional to 56,207.28, 83,684.46 and 55,422.30 is: 82,515.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,207.28 : 83,684.46 = 55,422.30 : x
  2. Step 2: Convert to fraction form
    56,207.28/83,684.46 = 55,422.30/x
  3. Step 3: Cross multiply
    56,207.28x = 83,684.46 × 55,422.30
  4. Step 4: Simplify right side
    56,207.28x = 4,637,985,247.46
  5. Step 5: Solve for x
    x = 4,637,985,247.46/56,207.28
  6. Step 6: Final answer
    x = 82,515.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.